public void ExpandToInclude(RectangleInt rectToInclude)
{
if (Right < rectToInclude.Right) Right = rectToInclude.Right;
if (Top < rectToInclude.Top) Top = rectToInclude.Top;
if (Left > rectToInclude.Left) Left = rectToInclude.Left;
if (Bottom > rectToInclude.Bottom) Bottom = rectToInclude.Bottom;
}
public RectangleDouble(RectangleInt intRect)
{
Left = intRect.Left;
Bottom = intRect.Bottom;
Right = intRect.Right;
Top = intRect.Top;
}
//--------------------------------------------------------------------
public VectorClipper()
{
clipBox = new RectangleInt(0, 0, 0, 0);
m_x1 = (0);
m_y1 = (0);
m_f1 = (0);
m_clipping = (false);
}
public bool clip(RectangleInt r)
{
if (Right > r.Right) Right = r.Right;
if (Top > r.Top) Top = r.Top;
if (Left < r.Left) Left = r.Left;
if (Bottom < r.Bottom) Bottom = r.Bottom;
return Left <= Right && Bottom <= Top;
}
public void DoTrace()
{
CreateScene();
RectangleInt rect = new RectangleInt(0, 0, size.x, size.y);
if (destImage == null || destImage.Width != rect.Width || destImage.Height != rect.Height)
{
destImage = new ImageBuffer(rect.Width, rect.Height, 32, new BlenderBGRA());
}
raytracer.RayTraceScene(rect, scene);
raytracer.CopyColorBufferToImage(destImage, rect);
}
public bool IntersectRectangles(RectangleInt rectToCopy, RectangleInt rectToIntersectWith)
{
Left = rectToCopy.Left;
Bottom = rectToCopy.Bottom;
Right = rectToCopy.Right;
Top = rectToCopy.Top;
if (Left < rectToIntersectWith.Left) Left = rectToIntersectWith.Left;
if (Bottom < rectToIntersectWith.Bottom) Bottom = rectToIntersectWith.Bottom;
if (Right > rectToIntersectWith.Right) Right = rectToIntersectWith.Right;
if (Top > rectToIntersectWith.Top) Top = rectToIntersectWith.Top;
if (Left < Right && Bottom < Top)
{
return true;
}
return false;
}
//---------------------------------------------------------------------
//typedef renderer_outline_image<BaseRenderer, ImagePattern> self_type;
//---------------------------------------------------------------------
public ImageLineRenderer(IImageByte ren, line_image_pattern patt)
{
m_ren = ren;
m_pattern = patt;
m_start = (0);
m_scale_x = (1.0);
m_clip_box = new RectangleInt(0, 0, 0, 0);
m_clipping = (false);
}
public void Rectangle(RectangleInt rect, RGBA_Bytes color)
{
Rectangle(rect.Left, rect.Bottom, rect.Right, rect.Top, color);
}
//***************************************************************************************************************************************************
public static bool ClipRect(RectangleInt pBoundingRect, ref RectangleInt pDestRect)
{
// clip off the top so we don't write into random memory
if (pDestRect.Top < pBoundingRect.Top)
{
pDestRect.Top = pBoundingRect.Top;
if (pDestRect.Top >= pDestRect.Bottom)
{
return false;
}
}
// clip off the bottom
if (pDestRect.Bottom > pBoundingRect.Bottom)
{
pDestRect.Bottom = pBoundingRect.Bottom;
if (pDestRect.Bottom <= pDestRect.Top)
{
return false;
}
}
// clip off the left
if (pDestRect.Left < pBoundingRect.Left)
{
pDestRect.Left = pBoundingRect.Left;
if (pDestRect.Left >= pDestRect.Right)
{
return false;
}
}
// clip off the right
if (pDestRect.Right > pBoundingRect.Right)
{
pDestRect.Right = pBoundingRect.Right;
if (pDestRect.Right <= pDestRect.Left)
{
return false;
}
}
return true;
}
//---------------------------------------------------------unite_rectangles
public void unite_rectangles(RectangleInt r1, RectangleInt r2)
{
Left = r1.Left;
Bottom = r1.Bottom;
Right = r1.Right;
Right = r1.Top;
if (Right < r2.Right) Right = r2.Right;
if (Top < r2.Top) Top = r2.Top;
if (Left > r2.Left) Left = r2.Left;
if (Bottom > r2.Bottom) Bottom = r2.Bottom;
}
public static bool ClipRects(RectangleInt pBoundingRect, ref RectangleInt pSourceRect, ref RectangleInt pDestRect)
{
// clip off the top so we don't write into random memory
if (pDestRect.Top < pBoundingRect.Top)
{
// This type of clipping only works when we aren't scaling an image...
// If we are scaling an image, the source and dest sizes won't match
if (pSourceRect.Height != pDestRect.Height)
{
throw new Exception("source and dest rects must have the same height");
}
pSourceRect.Top += pBoundingRect.Top - pDestRect.Top;
pDestRect.Top = pBoundingRect.Top;
if (pDestRect.Top >= pDestRect.Bottom)
{
return(false);
}
}
// clip off the bottom
if (pDestRect.Bottom > pBoundingRect.Bottom)
{
// This type of clipping only works when we aren't scaling an image...
// If we are scaling an image, the source and dest sizes won't match
if (pSourceRect.Height != pDestRect.Height)
{
throw new Exception("source and dest rects must have the same height");
}
pSourceRect.Bottom -= pDestRect.Bottom - pBoundingRect.Bottom;
pDestRect.Bottom = pBoundingRect.Bottom;
if (pDestRect.Bottom <= pDestRect.Top)
{
return(false);
}
}
// clip off the left
if (pDestRect.Left < pBoundingRect.Left)
{
// This type of clipping only works when we aren't scaling an image...
// If we are scaling an image, the source and dest sizes won't match
if (pSourceRect.Width != pDestRect.Width)
{
throw new Exception("source and dest rects must have the same width");
}
pSourceRect.Left += pBoundingRect.Left - pDestRect.Left;
pDestRect.Left = pBoundingRect.Left;
if (pDestRect.Left >= pDestRect.Right)
{
return(false);
}
}
// clip off the right
if (pDestRect.Right > pBoundingRect.Right)
{
// This type of clipping only works when we aren't scaling an image...
// If we are scaling an image, the source and dest sizes won't match
if (pSourceRect.Width != pDestRect.Width)
{
throw new Exception("source and dest rects must have the same width");
}
pSourceRect.Right -= pDestRect.Right - pBoundingRect.Right;
pDestRect.Right = pBoundingRect.Right;
if (pDestRect.Right <= pDestRect.Left)
{
return(false);
}
}
return(true);
}
public void Rectangle(RectangleInt rect, RGBA_Bytes color)
{
Rectangle(rect.Left, rect.Bottom, rect.Right, rect.Top, color);
}
public override void Render(IImageByte source,
double destX, double destY,
double angleRadians,
double inScaleX, double inScaleY)
{
{ // exit early if the dest and source bounds don't touch.
// TODO: <BUG> make this do rotation and scaling
RectangleInt sourceBounds = source.GetBounds();
RectangleInt destBounds = this.destImageByte.GetBounds();
sourceBounds.Offset((int)destX, (int)destY);
if (!RectangleInt.DoIntersect(sourceBounds, destBounds))
{
if (inScaleX != 1 || inScaleY != 1 || angleRadians != 0)
{
throw new NotImplementedException();
}
return;
}
}
double scaleX = inScaleX;
double scaleY = inScaleY;
Affine graphicsTransform = GetTransform();
if (!graphicsTransform.is_identity())
{
if (scaleX != 1 || scaleY != 1 || angleRadians != 0)
{
throw new NotImplementedException();
}
graphicsTransform.transform(ref destX, ref destY);
}
#if false // this is an optimization that eliminates the drawing of images that have their alpha set to all 0 (happens with generated images like explosions).
MaxAlphaFrameProperty maxAlphaFrameProperty = MaxAlphaFrameProperty::GetMaxAlphaFrameProperty(source);
if ((maxAlphaFrameProperty.GetMaxAlpha() * color.A_Byte) / 256 <= ALPHA_CHANNEL_BITS_DIVISOR)
{
m_OutFinalBlitBounds.SetRect(0, 0, 0, 0);
}
#endif
bool IsScaled = (scaleX != 1 || scaleY != 1);
bool IsRotated = true;
if (Math.Abs(angleRadians) < (0.1 * MathHelper.Tau / 360))
{
IsRotated = false;
angleRadians = 0;
}
//bool IsMipped = false;
double sourceOriginOffsetX = source.OriginOffset.x;
double sourceOriginOffsetY = source.OriginOffset.y;
bool CanUseMipMaps = IsScaled;
if (scaleX > 0.5 || scaleY > 0.5)
{
CanUseMipMaps = false;
}
bool renderRequriesSourceSampling = IsScaled || IsRotated || destX != (int)destX || destY != (int)destY;
// this is the fast drawing path
if (renderRequriesSourceSampling)
{
#if false // if the scaling is small enough the results can be improved by using mip maps
if (CanUseMipMaps)
{
CMipMapFrameProperty *pMipMapFrameProperty = CMipMapFrameProperty::GetMipMapFrameProperty(source);
double OldScaleX = scaleX;
double OldScaleY = scaleY;
const CFrameInterface *pMippedFrame = pMipMapFrameProperty.GetMipMapFrame(ref scaleX, ref scaleY);
if (pMippedFrame != source)
{
IsMipped = true;
source = pMippedFrame;
sourceOriginOffsetX *= (OldScaleX / scaleX);
sourceOriginOffsetY *= (OldScaleY / scaleY);
}
HotspotOffsetX *= (inScaleX / scaleX);
HotspotOffsetY *= (inScaleY / scaleY);
}
#endif
switch (ImageRenderQuality)
{
case TransformQuality.Fastest:
{
Affine destRectTransform;
DrawImageGetDestBounds(source, destX, destY, sourceOriginOffsetX, sourceOriginOffsetY, scaleX, scaleY, angleRadians, out destRectTransform);
Affine sourceRectTransform = new Affine(destRectTransform);
// We invert it because it is the transform to make the image go to the same position as the polygon. LBB [2/24/2004]
sourceRectTransform.invert();
span_image_filter spanImageFilter;
span_interpolator_linear interpolator = new span_interpolator_linear(sourceRectTransform);
ImageBufferAccessorClip sourceAccessor = new ImageBufferAccessorClip(source, RGBA_Floats.rgba_pre(0, 0, 0, 0).GetAsRGBA_Bytes());
spanImageFilter = new span_image_filter_rgba_bilinear_clip(sourceAccessor, RGBA_Floats.rgba_pre(0, 0, 0, 0), interpolator);
DrawImage(source, spanImageFilter, destRectTransform);
}
break;
case TransformQuality.Best:
{
Affine destRectTransform;
DrawImageGetDestBounds(source, destX, destY, sourceOriginOffsetX, sourceOriginOffsetY, scaleX, scaleY, angleRadians, out destRectTransform);
Affine sourceRectTransform = new Affine(destRectTransform);
// We invert it because it is the transform to make the image go to the same position as the polygon. LBB [2/24/2004]
sourceRectTransform.invert();
span_interpolator_linear interpolator = new span_interpolator_linear(sourceRectTransform);
ImageBufferAccessorClip sourceAccessor = new ImageBufferAccessorClip(source, RGBA_Floats.rgba_pre(0, 0, 0, 0).GetAsRGBA_Bytes());
//spanImageFilter = new span_image_filter_rgba_bilinear_clip(sourceAccessor, RGBA_Floats.rgba_pre(0, 0, 0, 0), interpolator);
IImageFilterFunction filterFunction = null;
filterFunction = new image_filter_blackman(4);
ImageFilterLookUpTable filter = new ImageFilterLookUpTable();
filter.calculate(filterFunction, true);
span_image_filter spanGenerator = new span_image_filter_rgba(sourceAccessor, interpolator, filter);
DrawImage(source, spanGenerator, destRectTransform);
}
break;
}
#if false // this is some debug you can enable to visualize the dest bounding box
LineFloat(BoundingRect.left, BoundingRect.top, BoundingRect.right, BoundingRect.top, WHITE);
LineFloat(BoundingRect.right, BoundingRect.top, BoundingRect.right, BoundingRect.bottom, WHITE);
LineFloat(BoundingRect.right, BoundingRect.bottom, BoundingRect.left, BoundingRect.bottom, WHITE);
LineFloat(BoundingRect.left, BoundingRect.bottom, BoundingRect.left, BoundingRect.top, WHITE);
#endif
}
else // TODO: this can be even faster if we do not use an intermediate buffer
{
Affine destRectTransform;
DrawImageGetDestBounds(source, destX, destY, sourceOriginOffsetX, sourceOriginOffsetY, scaleX, scaleY, angleRadians, out destRectTransform);
Affine sourceRectTransform = new Affine(destRectTransform);
// We invert it because it is the transform to make the image go to the same position as the polygon. LBB [2/24/2004]
sourceRectTransform.invert();
span_interpolator_linear interpolator = new span_interpolator_linear(sourceRectTransform);
ImageBufferAccessorClip sourceAccessor = new ImageBufferAccessorClip(source, RGBA_Floats.rgba_pre(0, 0, 0, 0).GetAsRGBA_Bytes());
span_image_filter spanImageFilter = null;
switch (source.BitDepth)
{
case 32:
spanImageFilter = new span_image_filter_rgba_nn_stepXby1(sourceAccessor, interpolator);
break;
case 24:
spanImageFilter = new span_image_filter_rgb_nn_stepXby1(sourceAccessor, interpolator);
break;
case 8:
spanImageFilter = new span_image_filter_gray_nn_stepXby1(sourceAccessor, interpolator);
break;
default:
throw new NotImplementedException();
}
//spanImageFilter = new span_image_filter_rgba_nn(sourceAccessor, interpolator);
DrawImage(source, spanImageFilter, destRectTransform);
DestImage.MarkImageChanged();
}
}
//--------------------------------------------------------------------
public void clip_box(int x1, int y1, int x2, int y2)
{
clipBox = new RectangleInt(x1, y1, x2, y2);
clipBox.normalize();
m_clipping = true;
}
public void DoTrace()
{
CreateScene();
RectangleInt rect = new RectangleInt(0, 0, size.x, size.y);
if (destImage == null || destImage.Width != rect.Width || destImage.Height != rect.Height)
{
destImage = new ImageBuffer(rect.Width, rect.Height);
}
rayTracer.MultiThreaded = !PrinterConnectionAndCommunication.Instance.PrinterIsPrinting;
rayTracer.RayTraceScene(rect, scene);
rayTracer.CopyColorBufferToImage(destImage, rect);
}
//--------------------------------------------------------------------
public void clip_box(int x1, int y1, int x2, int y2)
{
clipBox = new RectangleInt(x1, y1, x2, y2);
clipBox.normalize();
m_clipping = true;
}
private void rayTraceScene()
{
RectangleInt rect = new RectangleInt(0, 0, (int)Width, (int)Height);
if (destImage == null || destImage.Width != rect.Width || destImage.Height != rect.Height)
{
destImage = new ImageBuffer(rect.Width, rect.Height, 32, new BlenderBGRA());
}
//rect_i rect = new rect_i(0, 0, (int)32, (int)32);
renderTime.Restart();
raytracer.RayTraceScene(rect, scene);
raytracer.CopyColorBufferToImage(destImage, rect);
//raytracer.CopyDepthBufferToImage(destImage, rect);
//raytracer.CopyNoramlBufferToImage(destImage, rect);
//raytracer.AntiAliasScene(graphics2D, rect, scene, raytracer.RayTraceColorBuffer, 13);
renderTime.Stop();
//graphics2D.Rect(new rect_d(bitmap.GetBoundingRect()), RGBA_Bytes.Black);
}
public void AntiAliasScene(Graphics2D graphics2D, RectangleInt viewport, Scene scene, RGBA_Floats[][] buffer, int maxSamples)
{
IImageByte destImage = (IImageByte)graphics2D.DestImage;
if (destImage.BitDepth != 32)
{
throw new Exception("We can only render to 32 bit dest at the moment.");
}
Byte[] destBuffer = destImage.GetBuffer();
#if MULTI_THREAD
System.Threading.Tasks.Parallel.For(1, viewport.Height - 1, y => //
#else
for (int y = 1; y < viewport.Height - 1; y++)
#endif
{
int fillY = viewport.Top - (viewport.Bottom + y);
int bufferOffset = 0;
if (y > 0 && y < destImage.Height)
{
bufferOffset = destImage.GetBufferOffsetY(y);
}
for (int x = 1; x < viewport.Width - 1; x++)
{
RGBA_Floats avg = (buffer[x - 1][y - 1] + buffer[x][y - 1] + buffer[x + 1][y - 1] +
buffer[x - 1][y] + buffer[x][y] + buffer[x + 1][y] +
buffer[x - 1][y + 1] + buffer[x][y + 1] + buffer[x + 1][y + 1]) / 9;
// use a more accurate antialasing method (MonteCarlo implementation)
// this will fire multiple rays per pixel
double sumOfDifferencesThreshold = .05; // TODO: figure out a good way to determin this.
if (avg.SumOfDistances(buffer[x][y]) > sumOfDifferencesThreshold)
{
RGBA_Floats accumulatedColor = buffer[x][y];
for (int i = 0; i < maxSamples; i++)
{
// get some 'random' samples
double rx = Math.Sign(i % 4 - 1.5) * (IntNoise(x + y * viewport.Width * maxSamples * 2 + i) + 1) / 4;
double ry = Math.Sign(i % 2 - 0.5) * (IntNoise(x + y * viewport.Width * maxSamples * 2 + 1 + i) + 1) / 4;
double xp = x + rx;
double yp = y + ry;
Ray ray = scene.camera.GetRay(xp, yp);
accumulatedColor += FullyTraceRay(ray, scene);
}
buffer[x][y] = accumulatedColor / (maxSamples + 1);
// this is the slow part of the painting algorithm, it can be greatly speed up
// by directly accessing the bitmap data
int fillX = viewport.Left + x;
int totalOffset = bufferOffset + fillX * 4;
destBuffer[totalOffset++] = (byte)buffer[x][y].Blue0To255;
destBuffer[totalOffset++] = (byte)buffer[x][y].Green0To255;
destBuffer[totalOffset++] = (byte)buffer[x][y].Red0To255;
destBuffer[totalOffset] = 255;
}
}
}
#if MULTI_THREAD
);
#endif
}
public void RayTraceScene(Graphics2D graphics2D, RectangleInt viewport, Scene scene)
{
int maxsamples = (int)AntiAliasing;
//graphics2D.FillRectangle(viewport, RGBA_Floats.Black);
if (imageBufferAsDoubles == null || imageBufferAsDoubles.Length < viewport.Width || imageBufferAsDoubles[0].Length < viewport.Height)
{
imageBufferAsDoubles = new RGBA_Floats[viewport.Width][];
for (int i = 0; i < viewport.Width; i++)
{
imageBufferAsDoubles[i] = new RGBA_Floats[viewport.Height];
}
}
IImageByte destImage = (IImageByte)graphics2D.DestImage;
if (destImage.BitDepth != 32)
{
throw new Exception("We can only render to 32 bit dest at the moment.");
}
Byte[] destBuffer = destImage.GetBuffer();
viewport.Bottom = Math.Max(0, Math.Min(destImage.Height, viewport.Bottom));
viewport.Top = Math.Max(0, Math.Min(destImage.Height, viewport.Top));
#if MULTI_THREAD
System.Threading.Tasks.Parallel.For(viewport.Bottom, viewport.Height, y => //
#else
for (int y = viewport.Bottom; y < viewport.Height; y++)
#endif
{
for (int x = viewport.Left; x < viewport.Right; x++)
{
if (traceWithRayBundles)
{
int width = Math.Min(8, viewport.Right - x);
int height = Math.Min(8, viewport.Top - y);
FrustumRayBundle rayBundle = new FrustumRayBundle(width * height);
IntersectInfo[] intersectionsForBundle = new IntersectInfo[width * height];
for (int rayY = 0; rayY < height; rayY++)
{
for (int rayX = 0; rayX < width; rayX++)
{
rayBundle.rayArray[rayX + rayY * width] = scene.camera.GetRay(x + rayX, y + rayY);
intersectionsForBundle[rayX + rayY * width] = new IntersectInfo();
}
}
rayBundle.CalculateFrustum(width, height, scene.camera.Origin);
FullyTraceRayBundle(rayBundle, intersectionsForBundle, scene);
for (int rayY = 0; rayY < height; rayY++)
{
int bufferOffset = destImage.GetBufferOffsetY(y + rayY);
for (int rayX = 0; rayX < width; rayX++)
{
imageBufferAsDoubles[x + rayX][y + rayY] = intersectionsForBundle[rayX + rayY * width].totalColor;
// we don't need to set this if we are anti-aliased
int totalOffset = bufferOffset + (x + rayX) * 4;
destBuffer[totalOffset++] = (byte)imageBufferAsDoubles[x + rayX][y + rayY].Blue0To255;
destBuffer[totalOffset++] = (byte)imageBufferAsDoubles[x + rayX][y + rayY].Green0To255;
destBuffer[totalOffset++] = (byte)imageBufferAsDoubles[x + rayX][y + rayY].Red0To255;
destBuffer[totalOffset] = 255;
}
}
x += width - 1; // skip all the pixels we bundled
y += height - 1; // skip all the pixels we bundled
}
else
{
int bufferOffset = destImage.GetBufferOffsetY(y);
Ray ray = scene.camera.GetRay(x, y);
imageBufferAsDoubles[x][y] = FullyTraceRay(ray, scene);
// we don't need to set this if we are anti-aliased
int totalOffset = bufferOffset + x * 4;
destBuffer[totalOffset++] = (byte)imageBufferAsDoubles[x][y].Blue0To255;
destBuffer[totalOffset++] = (byte)imageBufferAsDoubles[x][y].Green0To255;
destBuffer[totalOffset++] = (byte)imageBufferAsDoubles[x][y].Red0To255;
destBuffer[totalOffset] = 255;
}
}
}
#if MULTI_THREAD
);
#endif
if (AntiAliasing != AntiAliasing.None)
{
AntiAliasScene(graphics2D, viewport, scene, imageBufferAsDoubles, (int)AntiAliasing);
}
destImage.MarkImageChanged();
}
public override void Render(IImageByte source,
double x, double y,
double angleRadians,
double scaleX, double scaleY)
{
#if true
Affine transform = GetTransform();
if (!transform.is_identity())
{
if (scaleX != 1 || scaleY != 1)// || angleDegrees != 0)
{
throw new NotImplementedException();
}
// TODO: <BUG> make this do rotation and scalling
transform.transform(ref x, ref y);
scaleX *= transform.sx;
scaleY *= transform.sy;
}
#endif
#if true
// TODO: <BUG> make this do rotation and scalling
RectangleInt sourceBounds = source.GetBounds();
sourceBounds.Offset((int)x, (int)y);
RectangleInt destBounds = new RectangleInt((int)cachedClipRect.Left, (int)cachedClipRect.Bottom, (int)cachedClipRect.Right, (int)cachedClipRect.Top);
if (!RectangleInt.DoIntersect(sourceBounds, destBounds))
{
if (scaleX != 1 || scaleY != 1)// || angleDegrees != 0)
{
//throw new NotImplementedException();
}
//return;
}
#endif
ImageBuffer sourceAsImageBuffer = (ImageBuffer)source;
ImageGlPlugin glPlugin = ImageGlPlugin.GetImageGlPlugin(sourceAsImageBuffer, false);
// Prepare openGL for rendering
PushOrthoProjection();
GL.Disable(EnableCap.Lighting);
GL.Enable(EnableCap.Texture2D);
GL.Disable(EnableCap.DepthTest);
GL.Enable(EnableCap.Blend);
GL.BlendFunc(BlendingFactorSrc.SrcAlpha, BlendingFactorDest.OneMinusSrcAlpha);
GL.Translate(x, y, 0);
GL.Rotate(MathHelper.RadiansToDegrees(angleRadians), 0, 0, 1);
GL.Scale(scaleX, scaleY, 1);
RGBA_Bytes color = RGBA_Bytes.White;
GL.Color4((byte)color.Red0To255, (byte)color.Green0To255, (byte)color.Blue0To255, (byte)color.Alpha0To255);
glPlugin.DrawToGL();
//Restore openGL state
PopOrthoProjection();
}
public RectangleInt GetBoundingRect()
{
RectangleInt boundingRect = new RectangleInt(0, 0, Width, Height);
boundingRect.Offset((int)OriginOffset.x, (int)OriginOffset.y);
return boundingRect;
}
public void Rectangle(RectangleInt rect, Color color)
{
Rectangle(rect.Left, rect.Bottom, rect.Right, rect.Top, color);
}
private void Initialize(ImageBuffer sourceImage, RectangleInt boundsToCopyFrom)
{
if (sourceImage == this)
{
throw new Exception("We do not create a temp buffer for this to work. You must have a source distinct from the dest.");
}
Deallocate();
Allocate(boundsToCopyFrom.Width, boundsToCopyFrom.Height, boundsToCopyFrom.Width * sourceImage.BitDepth/8, sourceImage.BitDepth);
SetRecieveBlender(sourceImage.GetRecieveBlender());
if (width != 0 && height != 0)
{
RectangleInt DestRect = new RectangleInt(0, 0, boundsToCopyFrom.Width, boundsToCopyFrom.Height);
RectangleInt AbsoluteSourceRect = boundsToCopyFrom;
// The first thing we need to do is make sure the frame is cleared. LBB [3/15/2004]
MatterHackers.Agg.Graphics2D graphics2D = NewGraphics2D();
graphics2D.Clear(new RGBA_Bytes(0, 0, 0, 0));
int x = - boundsToCopyFrom.Left -(int)sourceImage.OriginOffset.x;
int y = - boundsToCopyFrom.Bottom -(int)sourceImage.OriginOffset.y;
graphics2D.Render(sourceImage, x, y, 0, 1, 1);
}
}
public override void Clear(IColorType iColor)
{
RectangleDouble clippingRect = GetClippingRect();
RectangleInt clippingRectInt = new RectangleInt((int)clippingRect.Left, (int)clippingRect.Bottom, (int)clippingRect.Right, (int)clippingRect.Top);
if (DestImage != null)
{
RGBA_Bytes color = iColor.GetAsRGBA_Bytes();
int width = DestImage.Width;
int height = DestImage.Height;
byte[] buffer = DestImage.GetBuffer();
switch (DestImage.BitDepth)
{
case 8:
{
byte byteColor = (byte)iColor.Red0To255;
for (int y = clippingRectInt.Bottom; y < clippingRectInt.Top; y++)
{
int bufferOffset = DestImage.GetBufferOffsetXY((int)clippingRect.Left, y);
int bytesBetweenPixels = DestImage.GetBytesBetweenPixelsInclusive();
for (int x = 0; x < clippingRectInt.Width; x++)
{
buffer[bufferOffset] = color.blue;
bufferOffset += bytesBetweenPixels;
}
}
}
break;
case 24:
for (int y = clippingRectInt.Bottom; y < clippingRectInt.Top; y++)
{
int bufferOffset = DestImage.GetBufferOffsetXY((int)clippingRect.Left, y);
int bytesBetweenPixels = DestImage.GetBytesBetweenPixelsInclusive();
for (int x = 0; x < clippingRectInt.Width; x++)
{
buffer[bufferOffset + 0] = color.blue;
buffer[bufferOffset + 1] = color.green;
buffer[bufferOffset + 2] = color.red;
bufferOffset += bytesBetweenPixels;
}
}
break;
case 32:
{
for (int y = clippingRectInt.Bottom; y < clippingRectInt.Top; y++)
{
int bufferOffset = DestImage.GetBufferOffsetXY((int)clippingRect.Left, y);
int bytesBetweenPixels = DestImage.GetBytesBetweenPixelsInclusive();
for (int x = 0; x < clippingRectInt.Width; x++)
{
buffer[bufferOffset + 0] = color.blue;
buffer[bufferOffset + 1] = color.green;
buffer[bufferOffset + 2] = color.red;
buffer[bufferOffset + 3] = color.alpha;
bufferOffset += bytesBetweenPixels;
}
}
}
break;
default:
throw new NotImplementedException();
}
}
else // it is a float
{
if (DestImageFloat == null)
{
throw new Exception("You have to have either a byte or float DestImage.");
}
RGBA_Floats color = iColor.GetAsRGBA_Floats();
int width = DestImageFloat.Width;
int height = DestImageFloat.Height;
float[] buffer = DestImageFloat.GetBuffer();
switch (DestImageFloat.BitDepth)
{
case 128:
for (int y = 0; y < height; y++)
{
int bufferOffset = DestImageFloat.GetBufferOffsetXY(clippingRectInt.Left, y);
int bytesBetweenPixels = DestImageFloat.GetFloatsBetweenPixelsInclusive();
for (int x = 0; x < clippingRectInt.Width; x++)
{
buffer[bufferOffset + 0] = color.blue;
buffer[bufferOffset + 1] = color.green;
buffer[bufferOffset + 2] = color.red;
buffer[bufferOffset + 3] = color.alpha;
bufferOffset += bytesBetweenPixels;
}
}
break;
default:
throw new NotImplementedException();
}
}
}
public bool Attach(IImageByte sourceImage, int x1, int y1, int x2, int y2)
{
m_ByteBuffer = null;
DettachBuffer();
if (x1 > x2 || y1 > y2)
{
throw new Exception("You need to have your x1 and y1 be the lower left corner of your sub image.");
}
RectangleInt boundsRect = new RectangleInt(x1, y1, x2, y2);
if (boundsRect.clip(new RectangleInt(0, 0, (int)sourceImage.Width - 1, (int)sourceImage.Height - 1)))
{
SetDimmensionAndFormat(boundsRect.Width, boundsRect.Height, sourceImage.StrideInBytes(), sourceImage.BitDepth, sourceImage.GetBytesBetweenPixelsInclusive(), false);
int bufferOffset = sourceImage.GetBufferOffsetXY(boundsRect.Left, boundsRect.Bottom);
byte[] buffer = sourceImage.GetBuffer();
SetBuffer(buffer, bufferOffset);
return true;
}
return false;
}
public void FillRectangle(RectangleInt rect, IColorType fillColor)
{
FillRectangle(rect.Left, rect.Bottom, rect.Right, rect.Top, fillColor);
}
protected void CopyFromNoClipping(IImageByte sourceImage, RectangleInt clippedSourceImageRect, int destXOffset, int destYOffset)
{
if (GetBytesBetweenPixelsInclusive() != BitDepth / 8
|| sourceImage.GetBytesBetweenPixelsInclusive() != sourceImage.BitDepth / 8)
{
throw new Exception("WIP we only support packed pixel formats at this time.");
}
if (BitDepth == sourceImage.BitDepth)
{
int lengthInBytes = clippedSourceImageRect.Width * GetBytesBetweenPixelsInclusive();
int sourceOffset = sourceImage.GetBufferOffsetXY(clippedSourceImageRect.Left, clippedSourceImageRect.Bottom);
byte[] sourceBuffer = sourceImage.GetBuffer();
int destOffset;
byte[] destBuffer = GetPixelPointerXY(clippedSourceImageRect.Left + destXOffset, clippedSourceImageRect.Bottom + destYOffset, out destOffset);
for (int i = 0; i < clippedSourceImageRect.Height; i++)
{
agg_basics.memmove(destBuffer, destOffset, sourceBuffer, sourceOffset, lengthInBytes);
sourceOffset += sourceImage.StrideInBytes();
destOffset += StrideInBytes();
}
}
else
{
bool haveConversion = true;
switch (sourceImage.BitDepth)
{
case 24:
switch (BitDepth)
{
case 32:
{
int numPixelsToCopy = clippedSourceImageRect.Width;
for (int i = clippedSourceImageRect.Bottom; i < clippedSourceImageRect.Top; i++)
{
int sourceOffset = sourceImage.GetBufferOffsetXY(clippedSourceImageRect.Left, clippedSourceImageRect.Bottom + i);
byte[] sourceBuffer = sourceImage.GetBuffer();
int destOffset;
byte[] destBuffer = GetPixelPointerXY(
clippedSourceImageRect.Left + destXOffset,
clippedSourceImageRect.Bottom + i + destYOffset,
out destOffset);
for (int x = 0; x < numPixelsToCopy; x++)
{
destBuffer[destOffset++] = sourceBuffer[sourceOffset++];
destBuffer[destOffset++] = sourceBuffer[sourceOffset++];
destBuffer[destOffset++] = sourceBuffer[sourceOffset++];
destBuffer[destOffset++] = 255;
}
}
}
break;
default:
haveConversion = false;
break;
}
break;
default:
haveConversion = false;
break;
}
if (!haveConversion)
{
throw new NotImplementedException("You need to write the " + sourceImage.BitDepth.ToString() + " to " + BitDepth.ToString() + " conversion");
}
}
}
public void CopyFrom(IImageByte sourceImage, RectangleInt sourceImageRect, int destXOffset, int destYOffset)
{
RectangleInt sourceImageBounds = sourceImage.GetBounds();
RectangleInt clippedSourceImageRect = new RectangleInt();
if (clippedSourceImageRect.IntersectRectangles(sourceImageRect, sourceImageBounds))
{
RectangleInt destImageRect = clippedSourceImageRect;
destImageRect.Offset(destXOffset, destYOffset);
RectangleInt destImageBounds = GetBounds();
RectangleInt clippedDestImageRect = new RectangleInt();
if (clippedDestImageRect.IntersectRectangles(destImageRect, destImageBounds))
{
// we need to make sure the source is also clipped to the dest. So, we'll copy this back to source and offset it.
clippedSourceImageRect = clippedDestImageRect;
clippedSourceImageRect.Offset(-destXOffset, -destYOffset);
CopyFromNoClipping(sourceImage, clippedSourceImageRect, destXOffset, destYOffset);
}
}
}
public void GetVisibleBounds(out RectangleInt visibleBounds)
{
visibleBounds = new RectangleInt(0, 0, Width, Height);
// trim the bottom
bool aPixelsIsVisible = false;
for (int y = 0; y < height; y++)
{
for (int x = 0; x < width; x++)
{
if(IsPixelVisible(x, y))
{
visibleBounds.Bottom = y;
y = height;
x = width;
aPixelsIsVisible = true;
}
}
}
// if we don't run into any pixels set for the top trim than there are no pixels set at all
if (!aPixelsIsVisible)
{
visibleBounds.SetRect(0, 0, 0, 0);
return;
}
// trim the bottom
for (int y = height - 1; y >= 0; y--)
{
for (int x = 0; x < width; x++)
{
if (IsPixelVisible(x, y))
{
visibleBounds.Top = y + 1;
y = -1;
x = width;
}
}
}
// trim the left
for (int x = 0; x < width; x++)
{
for (int y = 0; y < height; y++)
{
if(IsPixelVisible(x, y))
{
visibleBounds.Left=x;
y = height;
x = width;
}
}
}
// trim the right
for (int x = width - 1; x >= 0; x--)
{
for (int y = 0; y < height; y++)
{
if (IsPixelVisible(x, y))
{
visibleBounds.Right = x + 1;
y = height;
x = -1;
}
}
}
}
public static bool DoIntersect(RectangleInt rect1, RectangleInt rect2)
{
int x1 = rect1.Left;
int y1 = rect1.Bottom;
int x2 = rect1.Right;
int y2 = rect1.Top;
if (x1 < rect2.Left) x1 = rect2.Left;
if (y1 < rect2.Bottom) y1 = rect2.Bottom;
if (x2 > rect2.Right) x2 = rect2.Right;
if (y2 > rect2.Top) y2 = rect2.Top;
if (x1 < x2 && y1 < y2)
{
return true;
}
return false;
}
public void SetDirty(RectangleInt areaToSetDirty)
{
if (areaToSetDirty.Left >= areaToSetDirty.Right || areaToSetDirty.Bottom >= areaToSetDirty.Top)
{
return;
}
RectangleInt BoundRect = new RectangleInt(0, 0, numCellsX << xCellFactor, numCellsY << yCellFactor);
RectangleInt Area = areaToSetDirty;
if (Area.IntersectWithRectangle(BoundRect))
{
Area.Right--;
Area.Top--;
Area.Left = Area.Left >> xCellFactor;
Area.Right = Area.Right >> xCellFactor;
Area.Bottom = Area.Bottom >> yCellFactor;
Area.Top = Area.Top >> yCellFactor;
int offsetForY = yTable[Area.Bottom];
for (int y = Area.Bottom; y <= Area.Top; y++)
{
for (int x = Area.Left; x <= Area.Right; x++)
{
DirtyCell currCell = dirtyCells[offsetForY + x];
// if it's not set or it's not totaly covered
RectangleInt CurCellBounds = new RectangleInt((x << xCellFactor), (y << yCellFactor),
((x << xCellFactor) + xCellSize), ((y << yCellFactor) + yCellSize));
// if we are setting it for the first time
if (!currCell.isDirty)
{
currCell.coverage.Left = Math.Max(Math.Min((areaToSetDirty.Left - CurCellBounds.Left), xCellSize), 0);
currCell.coverage.Bottom = Math.Max(Math.Min((areaToSetDirty.Bottom - CurCellBounds.Bottom), yCellSize), 0);
currCell.coverage.Right = Math.Max(Math.Min((areaToSetDirty.Right - CurCellBounds.Left), xCellSize), 0);
currCell.coverage.Top = Math.Max(Math.Min((areaToSetDirty.Top - CurCellBounds.Bottom), yCellSize), 0);
}
else // we are adding to it's coverage
{
currCell.coverage.Left = Math.Max(Math.Min(Math.Min(currCell.coverage.Left, (areaToSetDirty.Left - CurCellBounds.Left)), xCellSize), 0);
currCell.coverage.Bottom = Math.Max(Math.Min(Math.Min(currCell.coverage.Bottom, (areaToSetDirty.Bottom - CurCellBounds.Bottom)), yCellSize), 0);
currCell.coverage.Right = Math.Max(Math.Min(Math.Max(currCell.coverage.Right, (areaToSetDirty.Right - CurCellBounds.Left)), xCellSize), 0);
currCell.coverage.Top = Math.Max(Math.Min(Math.Max(currCell.coverage.Top, (areaToSetDirty.Top - CurCellBounds.Bottom)), yCellSize), 0);
}
currCell.isDirty = true;
}
offsetForY += numCellsX;
}
}
}
public static bool ClipRects(RectangleInt pBoundingRect, ref RectangleInt pSourceRect, ref RectangleInt pDestRect)
{
// clip off the top so we don't write into random memory
if (pDestRect.Top < pBoundingRect.Top)
{
// This type of clipping only works when we aren't scaling an image...
// If we are scaling an image, the source and dest sizes won't match
if (pSourceRect.Height != pDestRect.Height)
{
throw new Exception("source and dest rects must have the same height");
}
pSourceRect.Top += pBoundingRect.Top - pDestRect.Top;
pDestRect.Top = pBoundingRect.Top;
if (pDestRect.Top >= pDestRect.Bottom)
{
return false;
}
}
// clip off the bottom
if (pDestRect.Bottom > pBoundingRect.Bottom)
{
// This type of clipping only works when we aren't scaling an image...
// If we are scaling an image, the source and dest sizes won't match
if (pSourceRect.Height != pDestRect.Height)
{
throw new Exception("source and dest rects must have the same height");
}
pSourceRect.Bottom -= pDestRect.Bottom - pBoundingRect.Bottom;
pDestRect.Bottom = pBoundingRect.Bottom;
if (pDestRect.Bottom <= pDestRect.Top)
{
return false;
}
}
// clip off the left
if (pDestRect.Left < pBoundingRect.Left)
{
// This type of clipping only works when we aren't scaling an image...
// If we are scaling an image, the source and dest sizes won't match
if (pSourceRect.Width != pDestRect.Width)
{
throw new Exception("source and dest rects must have the same width");
}
pSourceRect.Left += pBoundingRect.Left - pDestRect.Left;
pDestRect.Left = pBoundingRect.Left;
if (pDestRect.Left >= pDestRect.Right)
{
return false;
}
}
// clip off the right
if (pDestRect.Right > pBoundingRect.Right)
{
// This type of clipping only works when we aren't scaling an image...
// If we are scaling an image, the source and dest sizes won't match
if (pSourceRect.Width != pDestRect.Width)
{
throw new Exception("source and dest rects must have the same width");
}
pSourceRect.Right -= pDestRect.Right - pBoundingRect.Right;
pDestRect.Right = pBoundingRect.Right;
if (pDestRect.Right <= pDestRect.Left)
{
return false;
}
}
return true;
}
public void SetClean(RectangleInt areaToSetClean)
{
int curRow;
RectangleInt BoundRect = new RectangleInt(0, 0, numCellsX << xCellFactor, numCellsY << yCellFactor);
RectangleInt Area = areaToSetClean;
if (Area.IntersectWithRectangle(BoundRect))
{
Area.Right--;
Area.Top--;
Area.Left = Area.Left >> xCellFactor;
Area.Right = Area.Right >> xCellFactor;
Area.Bottom = Area.Bottom >> yCellFactor;
Area.Top = Area.Top >> yCellFactor;
curRow = yTable[Area.Bottom];
for (int y = Area.Bottom; y <= Area.Top; y++)
{
for (int x = Area.Left; x <= Area.Right; x++)
{
dirtyCells[curRow + x].isDirty = false;
}
curRow += numCellsX;
}
}
}
public override void Clear(IColorType iColor)
{
RectangleDouble clippingRect = GetClippingRect();
RectangleInt clippingRectInt = new RectangleInt((int)clippingRect.Left, (int)clippingRect.Bottom, (int)clippingRect.Right, (int)clippingRect.Top);
if (DestImage != null)
{
RGBA_Bytes color = iColor.GetAsRGBA_Bytes();
int width = DestImage.Width;
int height = DestImage.Height;
byte[] buffer = DestImage.GetBuffer();
switch (DestImage.BitDepth)
{
case 8:
{
byte byteColor = (byte)iColor.Red0To255;
for (int y = clippingRectInt.Bottom; y < clippingRectInt.Top; y++)
{
int bufferOffset = DestImage.GetBufferOffsetXY((int)clippingRect.Left, y);
int bytesBetweenPixels = DestImage.GetBytesBetweenPixelsInclusive();
for (int x = 0; x < clippingRectInt.Width; x++)
{
buffer[bufferOffset] = color.blue;
bufferOffset += bytesBetweenPixels;
}
}
}
break;
case 24:
for (int y = clippingRectInt.Bottom; y < clippingRectInt.Top; y++)
{
int bufferOffset = DestImage.GetBufferOffsetXY((int)clippingRect.Left, y);
int bytesBetweenPixels = DestImage.GetBytesBetweenPixelsInclusive();
for (int x = 0; x < clippingRectInt.Width; x++)
{
buffer[bufferOffset + 0] = color.blue;
buffer[bufferOffset + 1] = color.green;
buffer[bufferOffset + 2] = color.red;
bufferOffset += bytesBetweenPixels;
}
}
break;
case 32:
{
for (int y = clippingRectInt.Bottom; y < clippingRectInt.Top; y++)
{
int bufferOffset = DestImage.GetBufferOffsetXY((int)clippingRect.Left, y);
int bytesBetweenPixels = DestImage.GetBytesBetweenPixelsInclusive();
for (int x = 0; x < clippingRectInt.Width; x++)
{
buffer[bufferOffset + 0] = color.blue;
buffer[bufferOffset + 1] = color.green;
buffer[bufferOffset + 2] = color.red;
buffer[bufferOffset + 3] = color.alpha;
bufferOffset += bytesBetweenPixels;
}
}
}
break;
default:
throw new NotImplementedException();
}
}
else // it is a float
{
if (DestImageFloat == null)
{
throw new Exception("You have to have either a byte or float DestImage.");
}
RGBA_Floats color = iColor.GetAsRGBA_Floats();
int width = DestImageFloat.Width;
int height = DestImageFloat.Height;
float[] buffer = DestImageFloat.GetBuffer();
switch (DestImageFloat.BitDepth)
{
case 128:
for (int y = 0; y < height; y++)
{
int bufferOffset = DestImageFloat.GetBufferOffsetXY(clippingRectInt.Left, y);
int bytesBetweenPixels = DestImageFloat.GetFloatsBetweenPixelsInclusive();
for (int x = 0; x < clippingRectInt.Width; x++)
{
buffer[bufferOffset + 0] = color.blue;
buffer[bufferOffset + 1] = color.green;
buffer[bufferOffset + 2] = color.red;
buffer[bufferOffset + 3] = color.alpha;
bufferOffset += bytesBetweenPixels;
}
}
break;
default:
throw new NotImplementedException();
}
}
}
//---------------------------------------------------------------------
public OutlineRenderer(IImageByte destImage, LineProfileAnitAlias profile)
{
destImageSurface = destImage;
lineProfile = profile;
clippingRectangle = new RectangleInt(0, 0, 0, 0);
doClipping = false;
}
public void FillRectangle(RectangleInt rect, IColorType fillColor)
{
FillRectangle(rect.Left, rect.Bottom, rect.Right, rect.Top, fillColor);
}
public override void CopyBackBufferToScreen(Graphics displayGraphics)
{
WidgetForWindowsFormsBitmap aggBitmapAppWidget = ((WidgetForWindowsFormsBitmap)aggAppWidget);
RectangleInt intRect = new RectangleInt(0, 0, (int)aggAppWidget.Width, (int)aggAppWidget.Height);
aggBitmapAppWidget.bitmapBackBuffer.UpdateHardwareSurface(intRect);
WidgetForWindowsFormsBitmap.copyTime.Restart();
if (OsInformation.OperatingSystem != OSType.Windows)
{
//displayGraphics.DrawImage(aggBitmapAppWidget.bitmapBackBuffer.windowsBitmap, windowsRect, windowsRect, GraphicsUnit.Pixel); // around 250 ms for full screen
displayGraphics.DrawImageUnscaled(aggBitmapAppWidget.bitmapBackBuffer.windowsBitmap, 0, 0); // around 200 ms for full screnn
}
else
{
// or the code below which calls BitBlt directly running at 17 ms for full screnn.
const int SRCCOPY = 0xcc0020;
using (Graphics bitmapGraphics = Graphics.FromImage(aggBitmapAppWidget.bitmapBackBuffer.windowsBitmap))
{
IntPtr displayHDC = displayGraphics.GetHdc();
IntPtr bitmapHDC = bitmapGraphics.GetHdc();
IntPtr hBitmap = aggBitmapAppWidget.bitmapBackBuffer.windowsBitmap.GetHbitmap();
IntPtr hOldObject = SelectObject(bitmapHDC, hBitmap);
int result = BitBlt(displayHDC, 0, 0, aggBitmapAppWidget.bitmapBackBuffer.windowsBitmap.Width, aggBitmapAppWidget.bitmapBackBuffer.windowsBitmap.Height, bitmapHDC, 0, 0, SRCCOPY);
SelectObject(bitmapHDC, hOldObject);
DeleteObject(hBitmap);
bitmapGraphics.ReleaseHdc(bitmapHDC);
displayGraphics.ReleaseHdc(displayHDC);
}
}
WidgetForWindowsFormsBitmap.copyTime.Stop();
}
